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Sugar is a solute, so honey contains a high concentration of solutes. This increases the solute potential, and decreases the water potential of honey, which is therefore lower than the water potential in ...

Non calculator paper.
162 divided by 3 = 1/554 = 1/554*5 = 270

e^3x differentiates to 3e^3x as you multiply the function e^3x by the derivative of the inside function 3x. 3x differentiates to 3, so the answer is 3 multiplied by e^3x. The derivative of a natural log f...

At A level, there are 3 key elements of these source questions that must be addressed in any answer. These are: 1) content, 2) provenance and 3) tone. Discussing each one in turn: 1) The content of the so...

Answer: x=(y+7)/4
Workings:y=4x-7 add 7 to both sidesy+7=4x divide both sides by 4 to give the answer